20 milliliters to US teaspoons
4.06 tsp
20 mL = 4.06 tsp.
US teaspoons
4.06tsp
20 mL = 4.06 tsp
In short
How many US teaspoons is 20 milliliters?
20 mL = 4.06 tsp. 1 milliliter = 0.202884 US teaspoons, so the working is 20 × 0.202884 = 4.06.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 milliliter = 0.202884 US teaspoons 20 × 0.202884 = 4.06
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (tsp) | Off by |
|---|---|---|
| Whole number | 4 | −0.05768 |
| 1 decimal | 4.1 | +0.04232 |
| 2 decimals | 4.06 | +0.00232 |
Round trip: take 4.06 tsp back the other way and you land on 20.0114 mL — a drift of 0.0114 mL. That gap is the rounding, not the conversion.
Frequently asked questions
What is 20 milliliters in US teaspoons?
20 milliliters is 4.06 US teaspoons. 1 milliliter = 0.202884 US teaspoons, so the working is 20 × 0.202884 = 4.06.
How accurate is 4.06 tsp?
Rounding to 4.06 tsp and converting straight back gives 20.0114 mL, a drift of 0.0114 mL from the 20 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
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Milliliters to Teaspoons Converter
Convert milliliters to US teaspoons — for a metric label measured with American spoons.
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